OpenTechnical

OT-2026-000057717

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057717) never changes.

Identity and time

Publication numberOT-2026-000057717 · never reused
Internal UUID01a0ae88-2695-77a6-9945-31aad23b79ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057717
StatusPUBLIC

Content hashes

Canonical text94ceb8b9f54767124a76fedc8a1b47a2d8f8ba606b4c6559df88fa752b3c92ba
Markdown365cdb08a6cb398e76f973fda09e5085dc32670c92ad036d93e3e37d73040802
PDF
Publication pageab63f9e656e209e78dc8ac9664addff266366c98eecc798abeb418661a85c8c7
Manifest44bd32d89e4a158568020f8dcf70f5f29636039da8a86f68a65d716d25e60872

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturefIgQ7af+DFEgvxAW1s/qClJYMIRv114NJC7tNBk251W6Uen9xYyyioXvu7nEBjEPjI9oSS/MF4a1cV5CgGsQDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:23.214427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057717
observed ab63f9e656e209e78dc8ac9664addff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.196577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057717/manifest.json
observed 44bd32d89e4a158568020f8dcf70f5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.178719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057717/publication.md
observed 365cdb08a6cb398e76f973fda09e5085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:23.159319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057717/publication.txt
observed 94ceb8b9f54767124a76fedc8a1b47a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.